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gpio: build fixes

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This fixes various gpio-related build errors (mostly potential)
reported in part by Russell King and Uwe Kleine-König.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Brownell 2008-05-23 13:04:58 -07:00 committed by Linus Torvalds
parent ee29420aca
commit 6ea0205b56
2 changed files with 8 additions and 1 deletions
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6
include/asm-generic/gpio.h
View file

@ -1,8 +1,12 @@
#ifndef _ASM_GENERIC_GPIO_H
#define _ASM_GENERIC_GPIO_H
#include <linux/types.h>
#ifdef CONFIG_HAVE_GPIO_LIB
#include <linux/compiler.h>
/* Platforms may implement their GPIO interface with library code,
* at a small performance cost for non-inlined operations and some
* extra memory (for code and for per-GPIO table entries).
@ -74,7 +78,7 @@ struct gpio_chip {
extern const char *gpiochip_is_requested(struct gpio_chip *chip,
unsigned offset);
extern int __init __must_check gpiochip_reserve(int start, int ngpio);
extern int __must_check gpiochip_reserve(int start, int ngpio);
/* add/remove chips */
extern int gpiochip_add(struct gpio_chip *chip);

3
include/linux/gpio.h
View file

@ -8,6 +8,9 @@
#else
#include <linux/types.h>
#include <linux/errno.h>
/*
* Some platforms don't support the GPIO programming interface.
*